CVE-2021-45444

Sažetak

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

Reference

https://zsh.sourceforge.io/releases.html
https://vuln.ryotak.me/advisories/63
https://www.debian.org/security/2022/dsa-5078
https://lists.debian.org/debian-lts-announce/2022/02/msg00020.html
https://support.apple.com/kb/HT213255
https://support.apple.com/kb/HT213256
https://support.apple.com/kb/HT213257
http://seclists.org/fulldisclosure/2022/May/33
http://seclists.org/fulldisclosure/2022/May/35
http://seclists.org/fulldisclosure/2022/May/38
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/

CVSS

Base:	5.1
Impact:	6.4
Exploitability:	4.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	HIGH	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	PARTIAL	PARTIAL

CVSS vektor

AV:N/AC:H/Au:N/C:P/I:P/A:P

Zadnje važnije ažuriranje

07-11-2023 - 03:39

Objavljeno

14-02-2022 - 12:15